Rock Identifier

Category

Mineral, Specifically A Rock Fragment

Browse mineral, specifically a rock fragment specimens identified by the Rock Identifier community.

Learn about Mineral, Specifically A Rock Fragment in the encyclopedia

Rock Salt

Rock Gypsum

Coral Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Lithic Sandstone

Lithic Sandstone

Halite

Coquina

Dolomite

Gypsum

Breccia

Sandstone (Clastic Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Clastic Sedimentary Rock (Quartz arenite)

Banded Sandstone (Quartz-rich Arenite Sandstone) — sedimentary

Banded Sandstone

Quartz-rich Arenite Sandstone

Sandstone (Clastic sedimentary rock (Quartz arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite)

Sandstone (Sandstone (SiO2 with iron oxides and clay)) — sedimentary

Sandstone

Sandstone (SiO2 with iron oxides and clay)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Calcareous/Lithic) (Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)) — sedimentary

Sandstone (Calcareous/Lithic)

Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)

Sandstone (Arenite (SiO2 composition primarily)) — sedimentary

Sandstone

Arenite (SiO2 composition primarily)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

Conglomerate Pebble (with Chert / Quartz) (Sedimentary Conglomerate / Breccia Pebble) — sedimentary

Conglomerate Pebble (with Chert / Quartz)

Sedimentary Conglomerate / Breccia Pebble

Sandstone (lithic/quartz variant) (Clastic sedimentary rock (SiO2 predominant)) — sedimentary

Sandstone (lithic/quartz variant)

Clastic sedimentary rock (SiO2 predominant)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (Siliclastic Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Siliclastic Sedimentary Rock)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Quartz-rich rock, possibly milky quartz or quartzite fragment (Quartz (SiO₂), potentially quartzite if metamorphic) — mineral

Quartz-rich rock, possibly milky quartz or quartzite fragment

Quartz (SiO₂), potentially quartzite if metamorphic

Small quartz-rich pebble (Quartz (SiO₂), possibly quartzite or weathered granite fragment) — mineral

Small quartz-rich pebble

Quartz (SiO₂), possibly quartzite or weathered granite fragment

Yellow Quartz (Citrine or Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Sandstone Pebble (Sandstone (primarily SiO2)) — sedimentary

Sandstone Pebble

Sandstone (primarily SiO2)

Sandstone (Arenite (Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Sedimentary Rock)

Sandstone (Painted) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Painted)

Arenite (primarily SiO2)

Weathered gray rock fragment (Likely quartz-rich sandstone or weakly metamorphosed sandstone; exact identification is uncertain from the photograph) — sedimentary

Weathered gray rock fragment

Likely quartz-rich sandstone or weakly metamorphosed sandstone; exact identification is uncertain from the photograph

Metallic sulfide-bearing rock, likely galena-rich ore (Galena (lead sulfide, PbS), possibly mixed with pyrite and host rock) — mineral

Metallic sulfide-bearing rock, likely galena-rich ore

Galena (lead sulfide, PbS), possibly mixed with pyrite and host rock

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Quartz (specifically Quartzite or Massive Quartz) (Silicon Dioxide (SiO2)) — Mineral

Quartz (specifically Quartzite or Massive Quartz)

Silicon Dioxide (SiO2)

Pink Granite (Phaneritic plutonic igneous rock (Alkali feldspar granite)) — igneous

Pink Granite

Phaneritic plutonic igneous rock (Alkali feldspar granite)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Montana Moss Agate (Chalcedony (SiO2) with Manganese/Iron oxide inclusions) — sedimentary

Montana Moss Agate

Chalcedony (SiO2) with Manganese/Iron oxide inclusions

Graywacke (Graywacke) — sedimentary

Graywacke

Graywacke

Quartz (Milky or Smoky) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Smoky)

Silicon Dioxide (SiO2)

Jasper (Zebra Jasper) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (Zebra Jasper)

Silicon Dioxide (SiO2) with impurities

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Banded Sandstone (Arenite (with iron oxide banding)) — sedimentary

Banded Sandstone

Arenite (with iron oxide banding)

Sandstone (Ferruginous) (Arenite (Siliclastic Sedimentary Rock)) — sedimentary

Sandstone (Ferruginous)

Arenite (Siliclastic Sedimentary Rock)

Pink Granite (Felsic Plutonic Rock) — igneous

Pink Granite

Felsic Plutonic Rock

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)